Of course, it is better to teach EAs who could each develop EAs themselves.
But to get EAs you will be obliged to sponsor hundreds of new PSAs. It's not so easy to get and maintain EAs. Most of the time you will get only a small number of EAs among hundreds of new PSAs.
Search of quality is good, very good, but don't let it make you waste too much your time. Be sure to keep an open smitten about sponsoring hundreds of new PSAs